Rosemount 3300 series, Reference manual, B-13 – Emerson Guided Wave Radar Level and Interface Transmitters 3300 User Manual

Page 141: Transmitter head 3300 series, Intrinsically safe entity parameters, Power supply a nd output si gnal

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Reference Manual

00809-0100-4811, Rev CA
February 2006

B-13

Rosemount 3300 Series

Figure B-13. System Control Drawing for hazardous location installation of CSA approved apparatus.

TRANSMITTER

HEAD

3300

SERIES

The

Entity

concept

allows

interconnection

of

intrinsic

a

lly

s

a

fe

apparatus

to

associated

apparatus

not

s

p

e

c

if

ic

a

lly

e

x

a

m

in

e

d

in

c

o

m

b

in

a

ti

o

n

a

s

a

sy

stem

.

T

he

approved

values

of

m

ax.

open

circuit

voltage

(Uo)

a

n

d

m

a

x

.

s

h

o

rt

c

ircuit

current

(Io)

and

m

ax.

power

(Uo

x

Io

/

4),

for

the

associated

apparatus

m

ust

be

less

than

or

equal

to

the

m

axim

um

saf

e

input

voltage

(Ui),

m

axim

um

saf

e

input

current

(Ii),

a

n

d

ma

x

imu

m

s

a

fe

input

power

(Pi)

of

the

intrinsically

saf

e

apparatus.

In

addition,

the

approved

m

ax.

allowable

connected

capacitance

(Co)

of

the

associated

apparatus

m

ust

be

gr

e

a

te

r

th

a

n

th

e

s

u

m

o

f

th

e

in

te

rc

onnecting

cable

capacitance

and

the

unprotected

internal

capacitance

(C

i)

o

f

th

e

in

tr

in

s

ic

a

lly

s

a

fe

apparatus,

and

the

the

approved

m

ax.

allowable

connected

inductance

(Lo)

o

f

th

e

a

s

s

o

c

ia

te

d

apparatus

m

ust

be

greater

than

th

e

s

u

m

o

f

th

e

interconnecting

cable

inductance

and

the

unprotected

internal

inductance

(Li)

of

the

in

tr

in

s

ic

a

lly

s

a

fe

apparatus.

D

INTRINSICALLY

SAFE

ENTITY

PARAMETERS

A&B

C

GAS

GRO

U

P

The

positive

power

supply

term

inal

s

h

a

ll

b

e

c

onnected

to

the

term

inal

designated

"+

SIG

/CO

M

"

and

the

negative

supply

to

th

e

te

rmi

n

a

l

d

e

s

ignated

"-SIG/COM

".

In

s

ta

lla

ti

o

n

s

in

Canada

shall

be

in

accordance

with

the

Canadian

Elect

ric

C

ode.

Power

Supply

a

nd

output

si

gnal

U

i

(V

m

ax)

Ii

(I

m

ax)

Ci

L

i

P

i

NOTE

1

.

30V

30V

30V

1W

1W

1W

0n

F

0n

F

0n

F

0u

H

0u

H

0u

H

130

mA

130

mA

130

mA

NOTE

2

.

NOTE

1

.

NOTE

2

.

NOTE

3

.

N

o

te

:

T

h

e

e

n

ti

ty

param

eters

li

s

ted

above

appl

y

onl

y

to

associ

ated

apparatus

w

ith

line

a

r

ou

tp

u

t

!

NOTE

3

.

GU-LN

0213

3300

GU-PO

6

Or

CAD

91

50077-945

9150077

-9

4

5

0213

SYSTEM

CONT

ROL

DRA

WI

NG

for

hazar

dous

location

installation

11

/

1

of

CSA

appr

oved

appar

atus

ISSUED

BY

APPRO

VED

BY

W

EEK

W

EEK

PRO

DUCT

CO

DE

DO

C.

T

YPE

FI

LE

TI

TL

E

DW

G

N

O

.

ISSUE

SHEET

SCALE

1:1

1S

T

A

N

G

L

E

FI

NI

SH,

UNL

ESS

O

T

HERW

IS

E

S

T

A

T

E

D:

ALL

DI

M

ENSI

O

N

S

ARE

IN

M

ILLI

M

ET

R

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T

h

e

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op

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ip

of

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m

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w

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rs

.

The

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m

us

t

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be

us

e

d

w

it

ho

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o

ur

a

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ri

z

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ti

o

n

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r

br

o

ught

to

th

e

k

n

ow

ledg

e

of

a

th

ir

d

p

ar

ty

.

C

on

tr

av

en

ti

on

w

ill

b

e

p

rosecu

ted.

S

aab

M

ari

n

e

E

lect

ro

n

ic

s

A

B

,

S

w

e

d

e

n

1

0213

SME-2918

ISSUE

ISSUE

ISSUE

CHANG

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RDER

No

W

EEK

W

EEK

W

EEK

CHANG

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RDER

No

CHANG

E

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No

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DUCT

.

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ons

per

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w

ithout

re

fer

ence

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Ex-certify

ing

A

u

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o

ri

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e

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.

AP

PROVA

LS/

077

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_1.

EP

S

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